CodeChallenge - December 2016

In this example below you will see how to do a CodeChallenge - December 2016 with some HTML / CSS and Javascript

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This awesome code was written by jackley, you can see more from this user in the personal repository.
You can find the original code on Codepen.io
Copyright jackley ©
  • HTML
  • CSS
  • JavaScript
    <ul class="lights">
  <li></li>
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</ul>

/*Downloaded from https://www.codeseek.co/jackley/codechallenge-december-2016-XNxzXm */
    body {
  background: #000;
}

.lights {
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  position: relative;
  z-index: 1;
  
  padding: 0;
  pointer-events: none;
  width: 320px;
  height: 400px;
  
  margin: auto;
}
.lights li {
  position:absolute;
  -webkit-animation-fill-mode: both;
          animation-fill-mode: both;
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
  list-style: none;
  margin: 0;
  padding: 0;
  display: block;
  width: 12px;
  height: 28px;
  border-radius: 50%;
  margin: 20px;
  display: inline-block;
  background: #00f7a5;
  box-shadow: 0px 4.66667px 24px 3px #00f7a5;
  -webkit-animation-name: flash-1;
          animation-name: flash-1;
  -webkit-animation-duration: 2s;
          animation-duration: 2s;

}



.lights li:nth-child(2n+1) {
  background: cyan;
  box-shadow: 0px 4.66667px 24px 3px rgba(0, 255, 255, 0.5);
  -webkit-animation-name: flash-2;
          animation-name: flash-2;
  -webkit-animation-duration: 0.4s;
          animation-duration: 0.4s;
}
.lights li:nth-child(4n+2) {
  background: #f70094;
  box-shadow: 0px 4.66667px 24px 3px #f70094;
  -webkit-animation-name: flash-3;
          animation-name: flash-3;
  -webkit-animation-duration: 1.1s;
          animation-duration: 1.1s;
}
.lights li:nth-child(odd) {
  -webkit-animation-duration: 1.8s;
          animation-duration: 1.8s;
}
.lights li:nth-child(3n+1) {
  -webkit-animation-duration: 1.4s;
          animation-duration: 1.4s;
}
.lights li:before {
  content: "";
  position: absolute;
  background: #222;
  width: 10px;
  height: 9.33333px;
  border-radius: 3px;
  top: -4.66667px;
  left: 1px;
}
.lights li:after {
  content: "";
  top: -14px;
  left: 9px;
  position: absolute;
  width: 52px;
  height: 18.66667px;
  border-bottom: solid #222 2px;
  border-radius: 50%;
}
.lights li:last-child:after {
  content: none;
}
.lights li:first-child {
  margin-left: -40px;
}

.lights li:nth-child(1) { bottom:0; left:0px; }
.lights li:nth-child(2) { bottom:0; left:0px; }
.lights li:nth-child(3) { bottom:0; left:55px;}
.lights li:nth-child(4) { bottom:0; left:110px;}
.lights li:nth-child(5) { bottom:0; left:165px;}
.lights li:nth-child(6) { bottom:0; left:220px;}
.lights li:nth-child(7) { bottom:0; left:275px;}
.lights li:nth-child(7)::after { transform: rotate(63deg); border-radius: 19%; top:-40px; left: -25px; }

.lights li:nth-child(8) { bottom:50px; left:27.5px;}
.lights li:nth-child(9) { bottom:50px; left:82.5px;}
.lights li:nth-child(10) { bottom:50px; left:137.5px;}
.lights li:nth-child(11) { bottom:50px; left:192.5px;}
.lights li:nth-child(12) { bottom:50px; left:247.5px;}
.lights li:nth-child(12)::after { transform: rotate(-65deg); border-radius: 19%; top:-40px; left: -235px; }

.lights li:nth-child(13) { bottom:100px; left:55px;}
.lights li:nth-child(14) { bottom:100px; left:110px;}
.lights li:nth-child(15) { bottom:100px; left:165px;}
.lights li:nth-child(16) { bottom:100px; left:220px;}
.lights li:nth-child(16)::after { transform: rotate(63deg); border-radius: 19%; top:-40px; left: -25px; }

.lights li:nth-child(17) { bottom:150px; left:82.5px;}
.lights li:nth-child(18) { bottom:150px; left:137.5px;}
.lights li:nth-child(19) { bottom:150px; left:192.5px;}
.lights li:nth-child(19)::after { transform: rotate(-65deg); border-radius: 19%; top:-40px; left: -125px; }

.lights li:nth-child(20) { bottom:200px; left:110px;}
.lights li:nth-child(21) { bottom:200px; left:165px;}
.lights li:nth-child(21)::after { transform: rotate(63deg); border-radius: 19%; top:-40px; left: -25px; }

.lights li:nth-child(22) { 
  bottom:250px; left:137.5px;
    background: #f70094;
  box-shadow: 0px 4.66667px 24px 3px #f7e300;
  -webkit-animation-name: flash-4;
          animation-name: flash-4;
  -webkit-animation-duration: 1.5s;
          animation-duration: 1.4s;
}
.lights li:nth-child(22)::after { display:none; }

@-webkit-keyframes flash-1 {
  0%, 100% {
    background: #00f7a5;
    box-shadow: 0px 4.66667px 24px 3px #00f7a5;
  }
  50% {
    background: rgba(0, 247, 165, 0.4);
    box-shadow: 0px 4.66667px 24px 3px rgba(0, 247, 165, 0.2);
  }
}

@keyframes flash-1 {
  0%, 100% {
    background: #00f7a5;
    box-shadow: 0px 4.66667px 24px 3px #00f7a5;
  }
  50% {
    background: rgba(0, 247, 165, 0.4);
    box-shadow: 0px 4.66667px 24px 3px rgba(0, 247, 165, 0.2);
  }
}
@-webkit-keyframes flash-2 {
  0%, 100% {
    background: cyan;
    box-shadow: 0px 4.66667px 24px 3px cyan;
  }
  50% {
    background: rgba(0, 255, 255, 0.4);
    box-shadow: 0px 4.66667px 24px 3px rgba(0, 255, 255, 0.2);
  }
}
@keyframes flash-2 {
  0%, 100% {
    background: cyan;
    box-shadow: 0px 4.66667px 24px 3px cyan;
  }
  50% {
    background: rgba(0, 255, 255, 0.4);
    box-shadow: 0px 4.66667px 24px 3px rgba(0, 255, 255, 0.2);
  }
}
@-webkit-keyframes flash-3 {
  0%, 100% {
    background: #f70094;
    box-shadow: 0px 4.66667px 24px 3px #f70094;
  }
  50% {
    background: rgba(247, 0, 148, 0.4);
    box-shadow: 0px 4.66667px 24px 3px rgba(247, 0, 148, 0.2);
  }
}
@keyframes flash-3 {
  0%, 100% {
    background: #f70094;
    box-shadow: 0px 4.66667px 24px 3px #f70094;
  }
  50% {
    background: rgba(247, 0, 148, 0.4);
    box-shadow: 0px 4.66667px 24px 3px rgba(247, 0, 148, 0.2);
  }
}

@-webkit-keyframes flash-4 {
  0%, 100% {
    background: #f7e300;
    box-shadow: 0px 4.66667px 24px 3px #f7e300;
  }
  50% {
    background: rgba(247,227,0, 0.4);
    box-shadow: 0px 4.66667px 24px 3px rgba(247,227,0, 0.4);
  }
}
@keyframes flash-4 {
  0%, 100% {
    background: #f7e300;
    box-shadow: 0px 4.66667px 24px 3px #f7e300;
  }
  50% {
    background: rgba(247,227,0, 0.4);
    box-shadow: 0px 4.66667px 24px 3px rgba(247,227,0, 0.2);
  }
}


/*Downloaded from https://www.codeseek.co/jackley/codechallenge-december-2016-XNxzXm */
    

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